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- Baby Sensory (Southend)
- Barleylands Farm Park
- Beavers, Cubs and Scouts - 4th Thorpe Bay
- Belfairs Methodist Church Parent and Toddler Group
- Belfairs Swim Centre
- Belfairs Wood, Park and Nature Reserve
- Bookstart (Southend-on-Sea)
- Boys Brigade - 22nd Southend on Sea Company
- Boys Brigade - 23rd South East Essex Company
- Boys Brigade - 3rd South East Essex Company
- Boys Brigade - 9th Southend on Sea Company
- Boys Brigade West Leigh Baptist Church - 7th South East Essex
- Bricks 4 Kidz - Stay `n` Play Lego Clubs
- Bright Sparks Parent and Toddler Group
- Buttercup Club Toddler Club